Guest Stars Dee Bradley Baker voices Clone Troopers Jimmi Simpson voices Doctor Royce Hemlock Keisha Castle-Hughes voices Emerie Karr Stephen Stanton voices Wilhuff Tarkin Helen Sadler voices Doctor Scalder Dee Bradley Baker voices Captain Howzer Jennifer Hale voices Senator Riyo Chuchi Andy Allo voices Lyana Hazard Imari Williams voices Shep Hazard Dee Bradley Baker voices Gregor Dee Bradley Baker voices Fireball Dee Bradley Baker voices Nemec Ben Diskin voices Imperial Tech Noshir Dalal voices Stormtrooper #2 Noshir Dalal voices Stormtrooper #1 Stephen Stanton voices Stormtrooper #5 Stephen Stanton voices Imperial Pilot Ben Diskin voices Captain Pearce Ben Diskin voices Stormtrooper #4 Imari Williams voices Stormtrooper #3